The new EX4N housing assembly drawing TEC0071 (unfinished) was installed and connected to the EX4 tank side port flange over a 3 day period from Feb29 – Mar 2, 2016. This was a hands on installation spread amongst 5 people with the total accumulated dose was 2.97 mSv.  See W/P C2016-02-29-5
 

Attached are;

- Rad field survey map.
- Updated installation procedure (rev4) with additional notes/comments during the installation  Revisions in Red.  Competed steps in Green. 
- Photo of the EX4N housing assembly.

Recent photos, are on Dimo's S drive :S\dyosifov\Extraction 4\Photos 2016